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Prerequisites

To use a manual method to apply the Office Communications Server 2007 R2 April 10 cumulative updates, you must apply the correct prerequisites before you apply the cumulative update for a specific Office Communications Server 2007 R2 server component. The Office Communications Server 2007 R2 server component and the list of prerequisite updates that it requires before installation of its specific Office Communications Server 2007 R2 April 10 cumulative update are as follows.

Registry information

To use one of the
update packages in this package, you do not have to make any changes to the
registry.

Update package installation information

To install this update package, install the Cwamain.msp package on computers that are running Communicator Web Access 2007 R2.

Note When you apply this update on servers that are running Windows
Server 2008 and have the User Account Control (UAC) enabled, make sure that you
start the installation of the update (.msp) by using the elevated Command
Prompt. To do this, follow these steps:

Click Run as administrator. If you are
prompted for an administrator password or for confirmation, type the password
or provide confirmation.

Start the update (.msp).

Removal information

To remove this update package, use the Add or Remove
Programs feature in Control Panel.

Sometimes, when you try
to uninstall the update package, you are prompted for the source CD. If this
behavior occurs, insert the source CD, or provide the path where the source
files can be found.

File information

This update may not
contain all the files that you must have to fully update a product to the
latest build. This update contains only the files that you must have to correct
the issues that are listed in this article.

After the update is installed, the global version of
this update has the file attributes, or a later version of the file attributes,
that are listed in the following table: